STANDARDChemistry-Periodic Table
STANDARD Chemistry Oxidation States MCQ Question
Type: MCQ-conceptual-Medium
The correct order of +3 oxidation state stability is:
A
Tl³⁺ > In³⁺ > Ga³⁺ > Al³⁺ > B³⁺
B
B³⁺ > Al³⁺ > Ga³⁺ > In³⁺ > Tl³⁺
C
Al³⁺ > Ga³⁺ > Tl³⁺ > In³⁺ > B³⁺
D
Al³⁺ > B³⁺ > Ga³⁺ > Tl³⁺ > In³⁺
Correct Answer
Option B
Detailed Explanation
Stability of +3 oxidation state decreases from Al to Tl. B always shows +3 oxidation state in all of its compounds.
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